Sl.No

Characters

Sampling Sites

P1

P2

1.

Colour

Dark blackish

Black

2.

Temperature

250C

240C

3.

pH

6.9

7.2

4.

Total dissolved solids (TDS) mg/l

860

190

5.

Odour

Foul

Foul

6.

Conductivity µs/cm

1390

310

7.

Total alkalinity mg/l as CaCO3

135

31

8.

Total hardness mg/l (TH) as CaCO3

218

48

9.

Nitrate mg/l as NO3

04

03

10.

Chloride mg/l as Cl

156

43

11.

Sulphate mg/l as SO4

199

40

12.

Calcium mg/l as Ca

70

16

13.

Magnesium mg/l as Mg

36

08

14.

COD mg/l

92

88

15.

BOD mg/l

30

22

16.

Cr mg/l

0.776

0.334

Table 2: Physico-chemical characteristics of Pulp & Paper processing effluents (P1 & P2).